1Fitment: The fuel gas tank is especially designed and manufactured, perfectly fits for Overhead Valve Engines. 2Oem: The Oem of this fuel gas tank are 590949, 590477 and 796489 for reference, please check the part number of your item before purchasing. 3Premium Material: The tank is made of high density Abs material, which is wear resistant and stable. The seamless structure design makes it more resistant to high pressure. 4Great Sealing Ability: The accompanying fuel cap can better match the fuel tank mouth to ensure that the fuel will not be contaminated and operate normally. 5Easy Installation: You just need to remove the original damaged fuel tank, and then connect the fuel tank according to the original position.